Such A style has a protracted history at Patek, courting back again for the early sixties Together with the ref. 2597 Travel Time Calatrava. As James Stacey pointed out in his Palms-On with the 5164R in 2019, the motion while in the 2597 originated through the mind of Louis Cottier https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/